Jiangsu Shuangzheng Machinery Co.,Ltd. is specializing in standard and non-standard slewing bearing. Over the years, we supplied high quality product & good service to every end user and valued distributors all over the world. We’ve enjoyed a very good reputation up to now.
We have strict quality control system in our own factory, meanwhile, we have passed ISO9001-2008 Quality System Certification and JG/T67-1991,JB/T2300-1999 with our country’s engineering & machinery standards.
Our products are ranging from 200mm to 5000mm, which mainly apply for tunneling equipment, harbor and shipyard cranes, construction equipment, mobile cranes, offshore technology, tower cranes, turning machines, solar energy plants, ship deck cranes, railway crane, man lifts, wind turbines, and more.
